Utility Management Software: Integrating AMR-AMI Data Into WindMil 8

8/13/2019 Utility Management Software: Integrating AMR-AMI Data Into WindMil 8

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Integrating AMR-AMI Data into Win

James S Cross, PE

Planning Engineer

Homer Electric Association

Kenai, Alaska
http://www.milsoft.com/


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Improving Your WindMil Model w/ AM

Historically, planners and system operators have had vedata regarding the individual loads on a distribution syste

Most distribution planning models have used (still use?) billing data (energy) from a CIS system to determine the snapshot (power) for the load-flow analysis.

This methodology is known as load allocation. Load allocis as much of an art as is system protection. There are hard & fast rules . every system and every case is diffe

Given the importance of the model loading to the load-floresults, an accurate portrayal of the system loads is criticorder to get good results.


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EA Model Improvements

The use of GIS systems at utilities has led to sig

improvements in model data, and large detailedhave become prevalent.

Load modeling has not seen the significant data

improvements that the system (impedance) mod

seen. End-of-line load data is still challenging, especia

time data.


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AMR/AMI Enters the Utility World

Utilities now have the ability to obtain more data

end-of-line loads with the implementation of AMsystems.

Two-way AMR/AMI systems allow for even mor

information flow, as some meters can be built or

programmed to detect more than just kWh usag


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What can AMR/AMI do for me?

In addition to reading kWh:

Many AMR meters capture blinks or momentary outage Voltage data

Ability to create a true monthly kWh reading

Real demand (kW) data

Equipment Information

This information can be used to make your WindM

better.


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What else can AMR/AMI do for me?

It can make a large model even larger

You are counting on another enterprise application to getyou correctly.

If the meter data moves through multiple enterprise applic

each interface is a potential source of new data errors.

It can force you to use mixed methods to populate your m

AMR to populate 2S meter loads Billing / GIS to populate other loads


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The question you MUST ask yourself


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AMI at Homer Electric

Homer Electric began implementing a Cannon Technologsystem in 2005.

We started w/ a two substation / 300 meter pilot project.

Since then weve deployed ~ 5,000 meters per year. Ninedistribution substations will read approximately 27,000 129 feeders.

All 2s meters will be changed out by years end.

We will revisit 3 metering to determine scope / costs.


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AMR WindMil Interface

WindMil can read data directly from seve

AMR systems by using a MultiSpeak inte Before using the interface, you need to c

your AMR/AMI vendor to get MultiSpeakconfiguration files for your enterprise soft


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Distribution System Phasing w/ AMI

Most power-line carrier (PLC) AMR systems interface somof communications on the primary line buses within the

substations. There is some sort of coupling onto each phase of each f

Two-way AMR allows us to send a signal down each phameters connected to that phase, and get a response backmeters that heard the signal.

If we can determine which meters are on what phase, we

electrically phase our distribution feeders. If we truly know our system phasing in our WindMil mode

can then more accurately run unbalanced analysis to modis going on with our distribution system.


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Voltage Drop Balanced Mode


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Voltage Drop Unbalanced Mode


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Distribution System Phasing w/ AMR

WindMil voltage-drop analyses can be run in un

mode. This mode will more accurately reflect ph

unbalances on your distribution system.

This affects results of:

Voltage Drop Analysis

Load Balance Activity

Set Regulation Activity

Loss Study


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Past MUC Presentations

AMR & SCADA Data in WindMil, by

Wilhite (2007)

AMR Data vs. Load Allocation, by B

Kersting (2007)


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Questions???
http://www.milsoft.com/contact-us

Utility Management Software: Integrating AMR-AMI Data Into WindMil 8

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